Process for the preparation of block copolymers

Details Process for the preparation of block copolymers Process for the preparation of block copolymers

1999-04-07

2000-11-28

Mullis, Jeffrey C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253329, 5253333, 5251115, 525122, 525313, 525314, 525315, 525316, C08F29300, C08F29704

Patent

active

061536954

ABSTRACT:
A process is disclosed for manufacturing coupled radial block copolymers of the S-B-Li type having improved optical properties, which process utilizes coupling agents having from about 3 to about 7 epoxy groups per mole.

REFERENCES:
patent: 3281383 (1966-10-01), Zelinski et al.
patent: 4051197 (1977-09-01), Fodor
patent: 4089824 (1978-05-01), Bronstert et al.
patent: 4136137 (1979-01-01), Hsieh et al.
patent: 4418180 (1983-11-01), Heinz et al.

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